What i see diff 8.1 and 8 1. Click at the start icon,right click can shutdown. 2. Customize title at metro icon. 3. Logout instead shutdown as arstechnica.com

What i see diff 8.1 and 8 1. Click at the start icon,right click can shutdown. 2. Customize title at metro icon. 3. Logout instead shutdown as arstechnica.com website. 4. At the below bar,click at the property can boot directly to desktop without go to tile of metro application. 5. Previous Version become File History ? i cannot on it.